东濮凹陷沙三段与沙四段界线划分

Limit Partition of the Third and the Four th Sections of Shahej ie Formation in Dongpu Depression

(中原油田分公司勘探开发科学研究院)

Sc ientific Research Institute of
Exploration and Development, Zhongyuan O ilf ie ld
Company, SINOPEC, Puyang 457001, China

On the bas is o f the b road research on the partition and
contrast o f the th ird and the fourth sec tions o f Shahejie
Fo rm ation and the comb ination characters of m icroorganism in
each o il and gas field o f Bohai B ay basin, w em a in ly ana lyze
the d istr ibu ting charac ters in the leng thways o fm icroo rganism
comb ination in Dongpu depress ion, apply ing the plentifu l
dr illing and m icroorg an ism data. Through co rre lating to the
standard stratigraph ic sections estab lished in the o il and gas
fie lds o f Boha i Bay basin and com bina ting the evo lvem ent o f
the sed im enta ry structu res of Dongpu depression, th is artic le
descr ibes the lim it partition o f the third and the fourth
sections o f Shahe jie form ation, and br ings forwa rd the
sufficien t reasonable partition pro ject in geo logy g ists.